Please have organised some way of remembering User names or Passwords! You are going to have a lot of these! Some of the methods that work well are:

notebooks
exercise books
if you have an iPhone or iPod Touch then get 'LockBox' Lockbox (Free to $4.19) Stores your user names, passwords, account details. A number password is needed to enter it.

What does not work in my vast experience of 14 years of working with teachers are 'various pieces of scrap paper'!!!

Basic Teacher Digital Toolkit
Skype	Set up a personal/professional account. This is useful for having professional conversations with your PLN. At some stage also set up a class account so that students can converse with children in other classes and schools.
Google	To set up a Google account you need to get Gmail, this is important because it will allow you access to Google Docs a very useful collaborative tool and a place to save documents that can be accessed on any computer. You can also make forms and quizzes for your students. It also allows you to create blogs in Blogger, and access to a lot more Google tools
Jing	A Jing account allows you to take screen captures and then annotate them with words, arrows and boxes, perfect for making instructions.
Slideshare	Slideshare is a great storage place for your documents and slideshows. It allows you to embed your docs/slideshows in wikis or blogs. It is also a great resource place to look at and download other teachers docs/slideshows
Delicious	Delicious is a place to save your Bookmarks or Favourites so that you can access them on any computer at any time, it is also a great resource by networking with other teachers and sharing their bookmarks as well. You need to set up a Yahoo account for this. It can be difficult to set up but perservere. If you want a delicious account for your class then you will need to set up a 'class' Yahoo account.
Wikispaces	Register a Wikispace account so that you can join any of the wikis I have made or that other educators have made. Do this so that you can comment and collaborate on them. You will also one day might want to make your own professional or class wiki.
Google Chrome	I recommend that you have at least 3 browsers Mac (Safari, Firefox, Chrome) Win (Explorer, Firefox, Chrome)
Facebook	Facebook is not necessarily a personal noticeboard, it can be used for educational purposes. I have a business Facebook page where I post the updates I have made to websites. If you have 'Liked' my Facebook page then you will have access to all my latest updates as they will show up on your personal wall. Note: Liking my Facebook page does not make me your friend, so I can't follow you or see your personal wall.
	iChat is available on everybody's Mac computer. For use within the school you do not have to sign up an account, just open iChat, go to Window and select Bonjour list. Make sure all of your computers have Bonjour opened and then you can start using iChat. Thanks Anthony for instructions,

More items for your Teacher's Digital Toolkit

The Teacher's Digital toolkit comprises of several online accounts that need to be set up!

Most important and Useful
Wallwisher	Set up a question for your students to answer with sticky notes, they can add maps, youtube movies, text only or photos to the stickies.
Avatar	Create an avatar that you can use to represent yourself online and also to use as a digital marking sticker for marking student's work
Google Calendar	Set up a class Google Calendar with all important dates and events for the year, embed into your wiki or blog
Mindmeister	Create online mindmaps and embed into wikis and blog
Livebinder	Make binders of websites for students to access
Dropbox	Create an online storage system for you and your students files. This could be a place where students store their work for marking, or where you could store files for them to access.
Interesting
Twitter	Find great websites, follow your peers and experts, share information
Lino It	Create a Multimedia noticeboard
SpicyNodes	Interactive multimedia mindmap
Xtranormal	Create verbal instructions
Prezi	Instead of PowerPoint make a presentation in Prezi
Voki	Create Verbal instructions

Fun but Useful
Dipity	Create Online timeline
Mixbook	Create Online book
Mapwing	Create an online multimedia presentation with maps
Glogster	Create multimedia posters
Other
Photobucket	Store photos and create slideshows http://jacquisharp.blogspot.com/2011/01/photobucket.html
Flickr	Online photo storage place, integrates with lots of other applications
Slideboom	Upload animated PowerPoints with transitions and they will work
Smilebox	Store photos and create slideshows
Scribblar	Online collaborative multi user whiteboard
Simplebooklet	Create online books
Yudu	Create digital magazines

Downloads

Sketchup	CAD drawing software
Photo Story 3 for Windows	Create slideshows with photos (Win only)
Hot Potatoes	Create quizzes, crosswords, cloze activities and more
Artrage Win Artrage Mac	Drawing, painting art programme
Audacity (Win)	Create music tracks, edit audio, create podcasts
Comic Life (Win) Comic Life (Mac)	30 day trial, create comics
Photofiltre	photo editing programme (Wn only)